Datasheet

Electrical characteristics STM32F446xC/E
82/202 DocID027107 Rev 6
Typical and maximum current consumption
The MCU is placed under the following conditions:
• All I/O pins are in input mode with a static value at V
DD
or V
SS
(no load).
• All peripherals are disabled except if it is explicitly mentioned.
• The Flash memory access time is adjusted both to f
HCLK
frequency and V
DD
range
(see Table 17: Limitations depending on the operating power supply range).
• Regulator ON
• The voltage scaling and over-drive mode are adjusted to f
HCLK
frequency as follows:
– Scale 3 for f
HCLK
≤ 120 MHz
– Scale 2 for 120 MHz < f
HCLK
≤ 144 MHz
– Scale 1 for 144 MHz < f
HCLK
≤ 180 MHz. The over-drive is only ON at 180 MHz.
• The system clock is HCLK, f
PCLK1
= f
HCLK
/4, and f
PCLK2
= f
HCLK
/2.
• External clock frequency is 8 MHz and PLL is ON when f
HCLK
is higher than 16 MHz.
• Flash is enabled except if explicitly mentioned as disable.
• The maximum values are obtained for V
DD
= 3.6 V and a maximum ambient
temperature (T
A
), and the typical values for T
A
= 25 °C and V
DD
= 3.3 V unless
otherwise specified.
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